| 2002 Breeding Herd Summary for Brazil, Canada
and USA combined |
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| MEASUREMENT |
Mean |
Upper 10% |
Lower 10% |
|
| Average female inventory |
1111.22 |
2621.1 |
205.5 |
|
| Average parity |
2.63 |
3.5 |
1.8 |
|
|
| Replacement rate |
60.73 |
33.86 |
86 |
|
| Culling rate |
41.44 |
23 |
60.14 |
|
| Death rate |
7.14 |
2.5 |
12.54 |
|
| Ave parity of culled sows |
4.02 |
5.7 |
2.2 |
|
| Average gilt pool inventory |
67.86 |
153.4 |
0 |
|
| Ave non-productive sow days |
69.38 |
42.2 |
106.3 |
|
| Percent repeat services |
12.37 |
4.95 |
20.2 |
|
| Percent multiple matings |
83.47 |
99.8 |
57.4 |
|
| Entry - 1st service interval |
31.76 |
0 |
62.1 |
|
| Percent sows bred by 7 days |
85.82 |
94.4 |
74.9 |
|
| Weaning - 1st service
interval |
7.25 |
5.1 |
10 |
|
| Ave parity of farrowed sows |
3.49 |
4.3 |
2.6 |
|
| Average gestation length |
115.14 |
116 |
114 |
|
| Farrowing interval |
147.12 |
141 |
157 |
|
| Farrowing rate |
76.19 |
86.4 |
64.2 |
|
| Average total pigs per litter |
11.39 |
12.3 |
10.6 |
|
| Average pigs born
alive/litter |
10.33 |
11.17 |
9.6 |
|
| Average stillborn pigs |
0.82 |
0.5 |
1.2 |
|
| Average mummies per litter |
0.23 |
0.1 |
0.4 |
|
| Litters less than 7 born live |
271.3 |
39 |
638 |
|
| PWM for farrowed and weaned |
11.75 |
6.8 |
16.8 |
|
| Old lits / mated female /
year |
2.25 |
2.5 |
1.95 |
|
| Litters / mated female / year |
2.36 |
2.52 |
2.12 |
|
| Litters / female / year |
2.22 |
2.43 |
1.94 |
|
| Pigs weaned per litter weaned |
9.28 |
10.27 |
8.3 |
|
| Pigs weaned per sow |
9.14 |
10.2 |
8.2 |
|
| Average age at weaning |
18.93 |
21.8 |
15.8 |
|
| Pigs wnd / mated female / yr |
21.46 |
25.2 |
17.66 |
|
| Old pigs wnd / Inv. female /
y |
19.88 |
23.9 |
15.6 |
|
| Pigs wnd / female / year |
20.28 |
23.8 |
16.5 |
|
| Pigs weaned / lifetime female |
34.25 |
50 |
15 |
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